package com.qianji.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author liang zai
 * @date 2022/1/17 16:34
 * @description
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<>();
    @Override
    //初始化方法
    public void initialize(ListValue constraintAnnotation) {
        int[] value = constraintAnnotation.value();
        if(constraintAnnotation != null){
            for (int val:value) {
                set.add(val);
            }
        }
    }

    //判断是否校验成功
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
